An echo is heard from a building 6 s after you blow the cars horn. How far away is the building?
Look up the speed of sound, then multiply this number by 6 s.
To determine the distance to the building, we need to consider the time it takes for sound to travel and the time it takes for the echo to reach back.
Since the echo is heard 6 seconds after you blow the car's horn, it means the sound took 6 seconds to travel to the building and back.
The speed of sound in air is approximately 343 meters per second.
Thus, we can calculate the distance using the formula: distance = speed × time.
distance = 343 m/s × 6 s
distance = 2058 meters.
Therefore, the building is approximately 2058 meters away.
To determine the distance to the building based on the echo time, you need to consider the speed of sound.
The speed of sound in air varies depending on factors such as temperature, humidity, and altitude. However, for simplicity, we can assume the speed of sound to be approximately 343 meters per second (m/s) under normal conditions at sea level.
Given that the echo is heard 6 seconds after you blow the car's horn, we know that the sound traveled from the car to the building and then back to the observer (you). So, the total time taken for the sound to travel the full distance twice (round trip) is 6 seconds.
To find the distance, we can use the formula:
Distance = Speed × Time
Since the sound traveled twice (to the building and back), we divide the total time by 2 to get the one-way time:
One-way time = Total time / 2 = 6 s / 2 = 3 s
Now, plugging in the known values:
Distance = Speed of Sound × One-way time
= 343 m/s × 3 s
= 1029 meters
Therefore, the building is approximately 1029 meters away.